zach42o1 Posted May 29, 2012 Share Posted May 29, 2012 Started up the supra this evening and my alternator light cat temp light and oil temp light stayed on. I have no clue what could be causing this 2 Quote Link to comment Share on other sites More sharing options...
Digsy Posted May 30, 2012 Share Posted May 30, 2012 If its the orange oil light then its oil level, not temperature. It means your alternator is about to give up. The other two sensors can't function correctly if they are not getting a correct voltage feed, so they throw up spurious errors when the alternator is about to go. When my alternator went, the oil level light came on days before the alternator actually failed. Quote Link to comment Share on other sites More sharing options...
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